ok i've seen allot of people asking how to change there ip address.
im going to make it as easy as i can and get a tutorial for you as well.
this will help you newbies out there and it will save you making new threads.
anyway lets get to it.

windows - (first option) computer connected directly to the modem.

1. get to a command prompt. (start, run, cmd).

(screenshot below to use who don't know how to get to command prompt.)


2. type "ipconfig /release" (without the quotes, on the command line by
itself).
3. type "ipconfig /renew" (without the quotes, on the command line by itself).



windows(second option) - computer connected directly to the modem.

1. get to a command prompt. (start, run, cmd).
2. type "ipconfig /release" (without the quotes).
3. shut down computer.
4. turn off computer.
5. turn off all ethernet hubs/switches.
6. turn off cable/dsl modem.
7. leave off overnight.
8. turn everything back on.

video tutorial:
http://youtube.com/watch?v=an7veinzfam